Fasting blood glucose of about 10 mmol per liter is not normal, high, if the review of fasting blood glucose still reaches 10 mmol per liter to consider diabetes. Under normal circumstances, fasting blood glucose should be 3.9-6.1 mmol per liter; if the fasting blood glucose reaches 6.1-7.0 mmol per liter, and at the same time, the 2-hour postprandial blood glucose is less than 7.8 mmol per liter, it is considered to have impaired fasting glucose; fasting blood glucose is considered diabetes mellitus when it is more than 7.0 mmol per liter more than two times in non-same day. When it is clear that there is diabetes mellitus should be based on their own conditions, under the guidance of the doctor to control diet, appropriate exercise, oral medication or insulin treatment. If you have elevated blood glucose, you should go to the endocrinology department of the hospital in a timely manner to get a clear diagnosis and active treatment under the guidance of your doctor.